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OpenTTD-patches/vehicle.c
truelight a69e422cdd (svn r266) -Fix: hopefully fixed the desync problem nicely (and reverted the 
workaround for it)
2004-09-15 18:36:33 +00:00

1856 lines
40 KiB
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#include "stdafx.h"
#include "ttd.h"
#include "vehicle.h"
#include "gfx.h"
//#include "station.h"
#include "viewport.h"
#include "news.h"
#include "command.h"
#include "saveload.h"
#include "player.h"
#include "engine.h"
#define INVALID_COORD (-0x8000)
#define GEN_HASH(x,y) (((x & 0x1F80)>>7) + ((y & 0xFC0)))
void VehicleInTheWayErrMsg(Vehicle *v)
{
StringID id;
(id = STR_8803_TRAIN_IN_THE_WAY,v->type == VEH_Train) ||
(id = STR_9000_ROAD_VEHICLE_IN_THE_WAY,v->type == VEH_Road) ||
(id = STR_A015_AIRCRAFT_IN_THE_WAY,v->type == VEH_Aircraft) ||
(id = STR_980E_SHIP_IN_THE_WAY, true);
_error_message = id;
}
static void *EnsureNoVehicleProc(Vehicle *v, void *data)
{
if (v->tile != (TileIndex)(int)data || v->type == VEH_Disaster)
return NULL;
VehicleInTheWayErrMsg(v);
return (void*)1;
}
bool EnsureNoVehicle(TileIndex tile)
{
return VehicleFromPos(tile, (void*)(int)tile, (VehicleFromPosProc*)EnsureNoVehicleProc) == NULL;
}
static void *EnsureNoVehicleProcZ(Vehicle *v, void *data)
{
uint32 d = (uint32)data; // max mapsize 4,096*4,096 if shifted 8 bits for byte
// with uint64 max mapsize is 2,6843,5456*2,6843,5456 :D
if (v->tile != (TileIndex)(d >> (sizeof(byte)*8)) || v->z_pos != (byte)d || v->type == VEH_Disaster)
return NULL;
VehicleInTheWayErrMsg(v);
return (void*)1;
}
bool EnsureNoVehicleZ(TileIndex tile, byte z)
{
TileInfo ti;
FindLandscapeHeightByTile(&ti, tile);
// needs z correction for slope-type graphics that have the NORTHERN tile lowered
// 1, 2, 3, 4, 5, 6 and 7
if (CORRECT_Z(ti.tileh))
z += 8;
return VehicleFromPos(tile, (void*)((TileIndex)tile << (sizeof(byte)*8) | (byte)z), (VehicleFromPosProc*)EnsureNoVehicleProcZ) == NULL;
}
Vehicle *FindVehicleBetween(TileIndex from, TileIndex to, byte z)
{
int x1 = GET_TILE_X(from);
int y1 = GET_TILE_Y(from);
int x2 = GET_TILE_X(to);
int y2 = GET_TILE_Y(to);
Vehicle *veh;
uint count;
/* Make sure x1 < x2 or y1 < y2 */
if (x1 > x2 || y1 > y2) {
intswap(x1,x2);
intswap(y1,y2);
}
for(veh = _vehicles, count=lengthof(_vehicles); count != 0; count--, veh++) {
if ((veh->type == VEH_Train || veh->type == VEH_Road) && (z==0xFF || veh->z_pos == z)) {
if ((veh->x_pos>>4) >= x1 && (veh->x_pos>>4) <= x2 &&
(veh->y_pos>>4) >= y1 && (veh->y_pos>>4) <= y2) {
return veh;
}
}
}
return NULL;
}
void VehiclePositionChanged(Vehicle *v)
{
int img = v->cur_image;
const SpriteDimension *sd;
Point pt = RemapCoords(v->x_pos + v->x_offs, v->y_pos + v->y_offs, v->z_pos);
sd = GetSpriteDimension(img);
pt.x += sd->xoffs;
pt.y += sd->yoffs;
UpdateVehiclePosHash(v, pt.x, pt.y);
v->left_coord = pt.x;
v->top_coord = pt.y;
v->right_coord = pt.x + sd->xsize + 2;
v->bottom_coord = pt.y + sd->ysize + 2;
}
void UpdateCheckpointSign(Checkpoint *cp)
{
Point pt = RemapCoords2(GET_TILE_X(cp->xy)*16, GET_TILE_Y(cp->xy)*16);
SET_DPARAM16(0, cp - _checkpoints);
UpdateViewportSignPos(&cp->sign, pt.x, pt.y - 0x20, STR_CHECKPOINT_VIEWPORT);
}
void RedrawCheckpointSign(Checkpoint *cp)
{
MarkAllViewportsDirty(
cp->sign.left - 6,
cp->sign.top,
cp->sign.left + (cp->sign.width_1 << 2) + 12,
cp->sign.top + 48);
}
// Called after load to update coordinates
void AfterLoadVehicles()
{
Vehicle *v;
Checkpoint *cp;
FOR_ALL_VEHICLES(v) {
if (v->type != 0) {
v->left_coord = INVALID_COORD;
VehiclePositionChanged(v);
if (v->type == VEH_Train) {
if (v->subtype == 0)
UpdateTrainAcceleration(v);
}
#if defined(_DEBUG)
if (!(v->schedule_ptr == NULL || (v->schedule_ptr >= _order_array && v->schedule_ptr < _ptr_to_next_order)))
v->schedule_ptr = NULL;
#endif
}
}
// update checkpoint signs
for(cp=_checkpoints; cp != endof(_checkpoints); cp++) if (cp->xy) UpdateCheckpointSign(cp);
}
static Vehicle *InitializeVehicle(Vehicle *v)
{
VehicleID index = v->index;
memset(v, 0, sizeof(Vehicle));
v->index = index;
assert(v->schedule_ptr == NULL);
v->left_coord = INVALID_COORD;
v->next = NULL;
v->next_hash = 0xffff;
v->string_id = 0;
return v;
}
Vehicle *ForceAllocateSpecialVehicle()
{
Vehicle *v;
for(v=_vehicles + NUM_NORMAL_VEHICLES;
v!=&_vehicles[NUM_NORMAL_VEHICLES+NUM_SPECIAL_VEHICLES]; v++) {
if (v->type == 0)
return InitializeVehicle(v);
}
return NULL;
}
Vehicle *ForceAllocateVehicle()
{
Vehicle *v;
for(v=_vehicles; v!=&_vehicles[NUM_NORMAL_VEHICLES]; v++) {
if (v->type == 0)
return InitializeVehicle(v);
}
return NULL;
}
Vehicle *AllocateVehicle()
{
Vehicle *v;
int num;
if (IS_HUMAN_PLAYER(_current_player)) {
num = 0;
for(v=_vehicles; v!=&_vehicles[NUM_NORMAL_VEHICLES]; v++) {
if (v->type == 0)
num++;
}
if (num <= 90)
return NULL;
}
return ForceAllocateVehicle();
}
void *VehicleFromPos(TileIndex tile, void *data, VehicleFromPosProc *proc)
{
int x,y,x2,y2;
VehicleID veh;
Point pt = RemapCoords(GET_TILE_X(tile) * 16, GET_TILE_Y(tile) * 16, 0);
x2 = ((pt.x + 104) & 0x1F80) >> 7;
x = ((pt.x - 174) & 0x1F80) >> 7;
y2 = ((pt.y + 56) & 0xFC0);
y = ((pt.y - 294) & 0xFC0);
for(;;) {
int xb = x;
for(;;) {
veh = _vehicle_position_hash[ (x+y)&0xFFFF ];
while (veh != INVALID_VEHICLE) {
Vehicle *v = &_vehicles[veh];
void *a;
if ((a = proc(v, data)) != NULL)
return a;
veh = v->next_hash;
}
if (x == x2)
break;
x = (x + 1) & 0x3F;
}
x = xb;
if (y == y2)
break;
y = (y + 0x40) & ((0x3F) << 6);
}
return NULL;
}
void UpdateVehiclePosHash(Vehicle *v, int x, int y)
{
VehicleID *old_hash, *new_hash;
int old_x = v->left_coord;
int old_y = v->top_coord;
Vehicle *u;
new_hash = (x == INVALID_COORD) ? NULL : &_vehicle_position_hash[GEN_HASH(x,y)];
old_hash = (old_x == INVALID_COORD) ? NULL : &_vehicle_position_hash[GEN_HASH(old_x, old_y)];
if (old_hash == new_hash)
return;
/* remove from hash table? */
if (old_hash != NULL) {
Vehicle *last = NULL;
int idx = *old_hash;
while((u = &_vehicles[idx]) != v) {
idx = u->next_hash;
assert(idx != INVALID_VEHICLE);
last = u;
}
if (last == NULL)
*old_hash = v->next_hash;
else
last->next_hash = v->next_hash;
}
/* insert into hash table? */
if (new_hash != NULL) {
v->next_hash = *new_hash;
*new_hash = v->index;
}
}
void InitializeVehicles()
{
Vehicle *v;
int i;
// clear it...
memset(&_vehicles, 0, sizeof(_vehicles));
memset(&_checkpoints, 0, sizeof(_checkpoints));
memset(&_depots, 0, sizeof(_depots));
// setup indexes..
i = 0;
FOR_ALL_VEHICLES(v)
v->index = i++;
memset(_vehicle_position_hash, -1, sizeof(_vehicle_position_hash));
_ptr_to_next_order = _order_array;
}
Vehicle *GetLastVehicleInChain(Vehicle *v)
{
while (v->next != NULL) v = v->next;
return v;
}
Vehicle *GetPrevVehicleInChain(Vehicle *v)
{
Vehicle *org = v;
v = _vehicles;
while (v->type != VEH_Train || org != v->next) {
if (++v == endof(_vehicles))
return NULL;
}
return v;
}
Vehicle *GetFirstVehicleInChain(Vehicle *v)
{
for(;;) {
Vehicle *u = v;
v = _vehicles;
while (v->type != VEH_Train || u != v->next) {
if (++v == endof(_vehicles))
return u;
}
}
}
int CountVehiclesInChain(Vehicle *v)
{
int count = 0;
do count++; while ( (v=v->next) != NULL);
return count;
}
Depot *AllocateDepot()
{
Depot *dep, *free_dep = NULL;
int num_free = 0;
for(dep = _depots; dep != endof(_depots); dep++) {
if (dep->xy == 0) {
num_free++;
if (free_dep==NULL)
free_dep = dep;
}
}
if (free_dep == NULL ||
(num_free < 30 && IS_HUMAN_PLAYER(_current_player))) {
_error_message = STR_1009_TOO_MANY_DEPOTS;
return NULL;
}
return free_dep;
}
Checkpoint *AllocateCheckpoint()
{
Checkpoint *cp;
for(cp = _checkpoints; cp != endof(_checkpoints); cp++) {
if (cp->xy == 0)
return cp;
}
return NULL;
}
uint GetCheckpointByTile(uint tile)
{
Checkpoint *cp;
int i=0;
for(cp=_checkpoints; cp->xy != (TileIndex)tile; cp++) { i++; }
return i;
}
Vehicle *IsScheduleShared(Vehicle *u)
{
uint16 *sched = u->schedule_ptr;
Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (v->schedule_ptr == sched && u != v && v->type != 0)
return v;
}
return NULL;
}
void DeleteVehicleSchedule(Vehicle *v)
{
uint16 *sched, *cur;
int num;
Vehicle *u;
// if the schedule is shared, don't delete it.
if ((u = IsScheduleShared(v)) != NULL) {
v->schedule_ptr = NULL;
InvalidateWindow(WC_VEHICLE_ORDERS, u->index);
return;
}
sched = v->schedule_ptr;
v->schedule_ptr = NULL;
num = v->num_orders + 1;
_ptr_to_next_order -= num;
cur = sched;
while (cur != _ptr_to_next_order) {
assert(cur < _ptr_to_next_order);
cur[0] = cur[num];
cur++;
}
FOR_ALL_VEHICLES(v) {
if (v->schedule_ptr != NULL && sched < v->schedule_ptr) {
v->schedule_ptr -= num;
}
}
}
void DeleteCommandFromVehicleSchedule(uint cmd)
{
Vehicle *v;
uint16 *sched;
uint order;
bool need_invalidate;
FOR_ALL_VEHICLES(v) {
if (v->type != 0 && v->schedule_ptr != NULL) {
// clear last station visited
if (v->last_station_visited == (cmd>>8) && (cmd & OT_MASK) == OT_GOTO_STATION)
v->last_station_visited = 0xFF;
// check the next order
if ( (uint)((v->next_order&OT_MASK) | (v->next_order_param<<8)) == cmd) {
v->next_order = OT_DUMMY;
InvalidateWindow(WC_VEHICLE_VIEW, v->index);
}
// clear the order list
need_invalidate = false;
sched = v->schedule_ptr;
while ((order=*sched++) != 0) {
if ( (order & (OT_MASK|0xFF00)) == cmd) {
sched[-1] = OT_DUMMY;
need_invalidate = true;
}
}
if (need_invalidate)
InvalidateWindow(WC_VEHICLE_ORDERS, v->index);
}
}
}
void DoDeleteDepot(uint tile)
{
byte dep_index;
Depot *d;
// Clear it
DoClearSquare(tile);
// Nullify the depot struct
for(d=_depots,dep_index=0; d->xy != (TileIndex)tile; d++) {dep_index++;}
d->xy = 0;
DeleteCommandFromVehicleSchedule((dep_index << 8) + OT_GOTO_DEPOT);
// Delete the depot
DeleteWindowById(WC_VEHICLE_DEPOT, tile);
}
void DeleteVehicle(Vehicle *v)
{
DeleteName(v->string_id);
v->type = 0;
UpdateVehiclePosHash(v, INVALID_COORD, 0);
v->next_hash = 0xffff;
if (v->schedule_ptr != NULL)
DeleteVehicleSchedule(v);
}
void DeleteVehicleChain(Vehicle *v)
{
do {
Vehicle *u = v;
v = v->next;
DeleteVehicle(u);
} while (v);
}
void Aircraft_Tick(Vehicle *v);
void RoadVeh_Tick(Vehicle *v);
void Ship_Tick(Vehicle *v);
void Train_Tick(Vehicle *v);
void EffectVehicle_Tick(Vehicle *v);
void DisasterVehicle_Tick(Vehicle *v);
VehicleTickProc *_vehicle_tick_procs[] = {
Train_Tick,
RoadVeh_Tick,
Ship_Tick,
Aircraft_Tick,
EffectVehicle_Tick,
DisasterVehicle_Tick,
};
void CallVehicleTicks()
{
Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (v->type != 0)
_vehicle_tick_procs[v->type - 0x10](v);
}
}
static bool CanFillVehicle_FullLoadAny(Vehicle *v)
{
uint32 full = 0, not_full = 0;
// patch should return "true" to continue loading, i.e. when there is no cargo type that is fully loaded.
do {
//Should never happen, but just in case future additions change this
assert(v->cargo_type<32);
if (v->cargo_cap != 0) {
uint32 mask = 1 << v->cargo_type;
if (v->cargo_cap == v->cargo_count) full |= mask; else not_full |= mask;
}
} while ( (v=v->next) != NULL);
// continue loading if there is a non full cargo type and no cargo type that is full
return not_full && (full & ~not_full) == 0;
}
bool CanFillVehicle(Vehicle *v)
{
byte *t = &_map_type_and_height[v->tile];
if (t[0] >> 4 == MP_STATION ||
(v->type == VEH_Ship &&
(t[TILE_XY(1,0)] >> 4 == MP_STATION ||
t[TILE_XY(-1,0)] >> 4 == MP_STATION ||
t[TILE_XY(0,1)] >> 4 == MP_STATION ||
t[TILE_XY(0,-1)] >> 4 == MP_STATION ||
t[TILE_XY(-2,0)] >> 4 == MP_STATION))) {
// If patch is active, use alternative CanFillVehicle-function
if (_patches.full_load_any)
return CanFillVehicle_FullLoadAny(v);
do {
if (v->cargo_count != v->cargo_cap)
return true;
} while ( (v=v->next) != NULL);
}
return false;
}
static void DoDrawVehicle(Vehicle *v)
{
uint32 image = v->cur_image;
if (v->vehstatus & VS_DISASTER) {
image |= 0x3224000;
} else if (v->vehstatus & VS_DEFPAL) {
image |= (v->vehstatus & VS_CRASHED) ? 0x3248000 : SPRITE_PALETTE(PLAYER_SPRITE_COLOR(v->owner));
}
AddSortableSpriteToDraw(image, v->x_pos + v->x_offs, v->y_pos + v->y_offs,
v->sprite_width, v->sprite_height, v->z_height, v->z_pos);
}
void ViewportAddVehicles(DrawPixelInfo *dpi)
{
int x,xb, y, x2, y2;
VehicleID veh;
Vehicle *v;
x = ((dpi->left - 70) & 0x1F80) >> 7;
x2 = ((dpi->left + dpi->width) & 0x1F80) >> 7;
y = ((dpi->top - 70) & 0xFC0);
y2 = ((dpi->top + dpi->height) & 0xFC0);
for(;;) {
xb = x;
for(;;) {
veh = _vehicle_position_hash[ (x+y)&0xFFFF ];
while (veh != INVALID_VEHICLE) {
v = &_vehicles[veh];
if (!(v->vehstatus & VS_HIDDEN) &&
dpi->left <= v->right_coord &&
dpi->top <= v->bottom_coord &&
dpi->left + dpi->width >= v->left_coord &&
dpi->top + dpi->height >= v->top_coord) {
DoDrawVehicle(v);
}
veh = v->next_hash;
}
if (x == x2)
break;
x = (x + 1) & 0x3F;
}
x = xb;
if (y == y2)
break;
y = (y + 0x40) & ((0x3F) << 6);
}
}
static void EffectInit_0(Vehicle *v)
{
uint32 r = Random();
v->cur_image = (uint16)((r & 7) + 3701);
v->progress = (byte)((r >> 16)&7);
}
static void EffectTick_0(Vehicle *v)
{
uint tile;
uint img;
if (--v->progress & 0x80) {
BeginVehicleMove(v);
tile = TILE_FROM_XY(v->x_pos, v->y_pos);
if (!IS_TILETYPE(tile, MP_INDUSTRY)) {
EndVehicleMove(v);
DeleteVehicle(v);
return;
}
img = v->cur_image + 1;
if (img > 3708) img = 3701;
v->cur_image = img;
v->progress = 7;
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
static void EffectInit_1(Vehicle *v)
{
v->cur_image = 3079;
v->progress = 12;
}
static void EffectTick_1(Vehicle *v)
{
bool moved;
BeginVehicleMove(v);
moved = false;
if ((++v->progress & 7) == 0) {
v->z_pos++;
moved = true;
}
if ((v->progress & 0xF)==4) {
if (++v->cur_image > 3083) {
EndVehicleMove(v);
DeleteVehicle(v);
return;
}
moved = true;
}
if (moved) {
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
static void EffectInit_2(Vehicle *v)
{
v->cur_image = 3073;
v->progress = 0;
}
static void EffectTick_2(Vehicle *v)
{
if ((++v->progress & 3) == 0) {
BeginVehicleMove(v);
v->z_pos++;
VehiclePositionChanged(v);
EndVehicleMove(v);
} else if ((v->progress & 7) == 1) {
BeginVehicleMove(v);
if (++v->cur_image > 3078) {
EndVehicleMove(v);
DeleteVehicle(v);
} else {
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
}
static void EffectInit_3(Vehicle *v)
{
v->cur_image = 3084;
v->progress = 1;
}
static void EffectTick_3(Vehicle *v)
{
if (++v->progress > 2) {
v->progress = 0;
BeginVehicleMove(v);
if (++v->cur_image > 3089) {
EndVehicleMove(v);
DeleteVehicle(v);
} else {
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
}
static void EffectInit_4(Vehicle *v)
{
v->cur_image = 2040;
v->progress = 12;
}
static void EffectTick_4(Vehicle *v)
{
bool moved;
BeginVehicleMove(v);
moved = false;
if ((++v->progress & 3) == 0) {
v->z_pos++;
moved = true;
}
if ((v->progress & 0xF)==4) {
if (++v->cur_image > 2044) {
EndVehicleMove(v);
DeleteVehicle(v);
return;
}
moved = true;
}
if (moved) {
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
static void EffectInit_5(Vehicle *v)
{
v->cur_image = 3709;
v->progress = 0;
}
static void EffectTick_5(Vehicle *v)
{
if (!(++v->progress & 3)) {
BeginVehicleMove(v);
if (++v->cur_image > 3724) {
EndVehicleMove(v);
DeleteVehicle(v);
} else {
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
}
static void EffectInit_6(Vehicle *v)
{
v->cur_image = 3737;
v->progress = 0;
}
static void EffectTick_6(Vehicle *v)
{
if (!(++v->progress & 7)) {
BeginVehicleMove(v);
if (++v->cur_image > 3740) v->cur_image = 3737;
VehiclePositionChanged(v);
EndVehicleMove(v);
}
if (!--v->u.special.unk0) {
BeginVehicleMove(v);
EndVehicleMove(v);
DeleteVehicle(v);
}
}
static void EffectInit_7(Vehicle *v)
{
v->cur_image = 3725;
v->progress = 0;
}
static void EffectTick_7(Vehicle *v)
{
if (!(++v->progress & 3)) {
BeginVehicleMove(v);
if (++v->cur_image > 3736) {
EndVehicleMove(v);
DeleteVehicle(v);
} else {
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
}
static void EffectInit_8(Vehicle *v)
{
v->cur_image = 1416;
v->progress = 0;
v->u.special.unk0 = 0;
v->u.special.unk2 = 0;
}
#define MK(imag,dir,dur) (imag<<6)+(dir<<4)+dur
static const byte _effecttick8_data[] = {
MK(0,0,4),
MK(3,3,4),
MK(2,2,7),
MK(0,2,7),
MK(1,1,3),
MK(2,2,7),
MK(0,2,7),
MK(1,1,3),
MK(2,2,7),
MK(0,2,7),
MK(3,3,6),
MK(2,2,6),
MK(1,1,7),
MK(3,1,7),
MK(0,0,3),
MK(1,1,7),
MK(3,1,7),
MK(0,0,3),
MK(1,1,7),
MK(3,1,7),
255
};
#undef MK
static const int8 _xy_inc_by_dir[5] = {
-1, 0, 1, 0, -1,
};
#define GET_X_INC_BY_DIR(d) _xy_inc_by_dir[d]
#define GET_Y_INC_BY_DIR(d) _xy_inc_by_dir[(d)+1]
static void EffectTick_8(Vehicle *v)
{
byte b;
if (!(++v->progress & 7)) {
v->u.special.unk2++;
BeginVehicleMove(v);
b = _effecttick8_data[v->u.special.unk0];
v->cur_image = 0x588 + (b>>6);
v->x_pos += GET_X_INC_BY_DIR((b>>4)&3);
v->y_pos += GET_X_INC_BY_DIR((b>>4)&3);
if (v->u.special.unk2 < (b & 7)) {
v->u.special.unk2 = 0;
v->u.special.unk0++;
if (_effecttick8_data[v->u.special.unk0] == 0xFF) {
EndVehicleMove(v);
DeleteVehicle(v);
return;
}
}
VehiclePositionChanged(v);
EndVehicleMove(v);
}
}
static void EffectInit_9(Vehicle *v)
{
v->cur_image = 4751;
v->spritenum = 0;
v->progress = 0;
}
#define MK(x,y,z,i) (x+4)+(y+4)*16,(z+4)+i*16
/* -1,0,1,2 = 2*/
/* -1,0,1 = 2*/
/* */
static const byte _effecttick9_data1[] = {
MK(0,0,1,0),
MK(1,0,1,1),
MK(0,0,1,0),
MK(1,0,1,2),
0x81,
};
static const byte _effecttick9_data2[] = {
MK(0,0,1,0),
MK(-1,0,1,1),
MK(0,0,1,0),
MK(-1,0,1,2),
0x81,
};
static const byte _effecttick9_data3[] = {
MK(0,0,1,0),
MK(0,1,1,1),
MK(0,0,1,0),
MK(0,1,1,2),
0x81,
};
static const byte _effecttick9_data4[] = {
MK(0,0,1,0),
MK(0,-1,1,1),
MK(0,0,1,0),
MK(0,-1,1,2),
0x81,
};
static const byte _effecttick9_data5[] = {
MK(0,0,1,2),
MK(0,0,1,7),
MK(0,0,1,8),
MK(0,0,1,9),
0x80,
};
static const byte _effecttick9_data6[] = {
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(0,0,1,0),
MK(0,0,1,2),
MK(0,0,1,0),
MK(0,0,1,1),
MK(2,1,3,0),
MK(1,1,3,1),
MK(2,1,3,0),
MK(1,1,3,2),
MK(2,1,3,0),
MK(1,1,3,1),
MK(2,1,3,0),
MK(1,0,1,2),
MK(0,0,1,0),
MK(1,0,1,1),
MK(0,0,1,0),
MK(1,0,1,2),
MK(0,0,1,0),
MK(1,0,1,1),
MK(0,0,1,0),
MK(1,0,1,2),
0x82,0,
MK(0,0,0,0xA),
MK(0,0,0,0xB),
MK(0,0,0,0xC),
MK(0,0,0,0xD),
MK(0,0,0,0xE),
0x80
};
#undef MK
static const byte * const _effecttick9_data[6] = {
_effecttick9_data1,
_effecttick9_data2,
_effecttick9_data3,
_effecttick9_data4,
_effecttick9_data5,
_effecttick9_data6,
};
static void EffectTick_9(Vehicle *v)
{
int et;
const byte *b;
if (((++v->progress)&3) != 0)
return;
BeginVehicleMove(v);
et = v->engine_type + 1;
if (v->spritenum == 0) {
if (++v->cur_image < 4754) {
VehiclePositionChanged(v);
EndVehicleMove(v);
return;
}
if (v->u.special.unk2 != 0) {
v->spritenum = (byte)((Random()&3)+1);
} else {
v->spritenum = 6;
}
et = 0;
}
again:
v->engine_type = et;
b = &_effecttick9_data[v->spritenum - 1][et*2];
if (*b == 0x80) {
EndVehicleMove(v);
DeleteVehicle(v);
return;
}
if (*b == 0x81) {
if (v->z_pos > 180 || CHANCE16(1,96)) {
v->spritenum = 5;
SndPlayVehicleFx(0x2F, v);
}
et = 0;
goto again;
}
if (*b == 0x82) {
uint tile;
et++;
SndPlayVehicleFx(0x31, v);
tile = TILE_FROM_XY(v->x_pos, v->y_pos);
if (IS_TILETYPE(tile, MP_INDUSTRY) &&
_map5[tile]==0xA2) {
AddAnimatedTile(tile);
}
goto again;
}
v->x_pos += (b[0]&0xF) - 4;
v->y_pos += (b[0]>>4) - 4;
v->z_pos += (b[1]&0xF) - 4;
v->cur_image = 4748 + (b[1] >> 4);
VehiclePositionChanged(v);
EndVehicleMove(v);
}
typedef void EffectInitProc(Vehicle *v);
typedef void EffectTickProc(Vehicle *v);
static EffectInitProc * const _effect_init_procs[] = {
EffectInit_0,
EffectInit_1,
EffectInit_2,
EffectInit_3,
EffectInit_4,
EffectInit_5,
EffectInit_6,
EffectInit_7,
EffectInit_8,
EffectInit_9,
};
static EffectTickProc * const _effect_tick_procs[] = {
EffectTick_0,
EffectTick_1,
EffectTick_2,
EffectTick_3,
EffectTick_4,
EffectTick_5,
EffectTick_6,
EffectTick_7,
EffectTick_8,
EffectTick_9,
};
Vehicle *CreateEffectVehicle(int x, int y, int z, int type)
{
Vehicle *v;
v = ForceAllocateSpecialVehicle();
if (v != NULL) {
v->type = VEH_Special;
v->subtype = type;
v->x_pos = x;
v->y_pos = y;
v->z_pos = z;
v->z_height = v->sprite_width = v->sprite_height = 1;
v->x_offs = v->y_offs = 0;
v->tile = 0;
v->vehstatus = VS_UNCLICKABLE;
_effect_init_procs[type](v);
VehiclePositionChanged(v);
BeginVehicleMove(v);
EndVehicleMove(v);
}
return v;
}
Vehicle *CreateEffectVehicleAbove(int x, int y, int z, int type)
{
return CreateEffectVehicle(x, y, GetSlopeZ(x, y) + z, type);
}
Vehicle *CreateEffectVehicleRel(Vehicle *v, int x, int y, int z, int type)
{
return CreateEffectVehicle(v->x_pos + x, v->y_pos + y, v->z_pos + z, type);
}
void EffectVehicle_Tick(Vehicle *v)
{
_effect_tick_procs[v->subtype](v);
}
Vehicle *CheckClickOnVehicle(ViewPort *vp, int x, int y)
{
Vehicle *found = NULL, *v;
uint dist, best_dist = (uint)-1;
if ( (uint)(x -= vp->left) >= (uint)vp->width ||
(uint)(y -= vp->top) >= (uint)vp->height)
return NULL;
x = (x << vp->zoom) + vp->virtual_left;
y = (y << vp->zoom) + vp->virtual_top;
FOR_ALL_VEHICLES(v) {
if (v->type != 0 && (v->vehstatus & (VS_HIDDEN|VS_UNCLICKABLE)) == 0 &&
x >= v->left_coord && x <= v->right_coord &&
y >= v->top_coord && y <= v->bottom_coord) {
dist = max(
myabs( ((v->left_coord + v->right_coord)>>1) - x ),
myabs( ((v->top_coord + v->bottom_coord)>>1) - y )
);
if (dist < best_dist) {
found = v;
best_dist = dist;
}
}
}
return found;
}
void DecreaseVehicleValue(Vehicle *v)
{
v->value -= v->value >> 8;
InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
}
static const byte _breakdown_chance[64] = {
3, 3, 3, 3, 3, 3, 3, 3,
4, 4, 5, 5, 6, 6, 7, 7,
8, 8, 9, 9, 10, 10, 11, 11,
12, 13, 13, 13, 13, 14, 15, 16,
17, 19, 21, 25, 28, 31, 34, 37,
40, 44, 48, 52, 56, 60, 64, 68,
72, 80, 90, 100, 110, 120, 130, 140,
150, 170, 190, 210, 230, 250, 250, 250,
};
void CheckVehicleBreakdown(Vehicle *v)
{
int rel, rel_old;
uint32 r;
int chance;
/* decrease reliability */
v->reliability = rel = max((rel_old = v->reliability) - v->reliability_spd_dec, 0);
if ((rel_old >> 8) != (rel >> 8))
InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
if (v->breakdown_ctr != 0 || (v->vehstatus & VS_STOPPED) != 0 ||
v->cur_speed < 5 || _game_mode == GM_MENU)
return;
r = Random();
/* increase chance of failure */
chance = v->breakdown_chance + 1;
if (CHANCE16I(1,25,r)) chance += 25;
v->breakdown_chance = min(255, chance);
/* calculate reliability value to use in comparison */
rel = v->reliability;
if (v->type == VEH_Ship) rel += 0x6666;
/* disabled breakdowns? */
if (_opt.diff.vehicle_breakdowns < 1)
return;
/* reduced breakdowns? */
if (_opt.diff.vehicle_breakdowns == 1) rel += 0x6666;
/* check if to break down */
if (_breakdown_chance[(uint)min(rel, 0xffff) >> 10] <= v->breakdown_chance) {
v->breakdown_ctr = (byte)(((r >> 16) & 0x3F) + 0x3F);
v->breakdown_delay = (byte)(((r >> 24) & 0x7F) | 0x80);
v->breakdown_chance = 0;
}
}
static const StringID _vehicle_type_names[4] = {
STR_019F_TRAIN,
STR_019C_ROAD_VEHICLE,
STR_019E_SHIP,
STR_019D_AIRCRAFT,
};
static void ShowVehicleGettingOld(Vehicle *v, StringID msg)
{
if (v->owner != _local_player)
return;
// Do not show getting-old message if autorenew is active
if (_patches.autorenew)
return;
SET_DPARAM16(0, _vehicle_type_names[v->type - 0x10]);
SET_DPARAM16(1, v->unitnumber);
AddNewsItem(msg, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0), v->index, 0);
}
void AgeVehicle(Vehicle *v)
{
int age;
if (v->age < 65535)
v->age++;
age = v->age - v->max_age;
if (age == 366*0 || age == 366*1 || age == 366*2 || age == 366*3 || age == 366*4)
v->reliability_spd_dec <<= 1;
InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
if (age == -366) {
ShowVehicleGettingOld(v, STR_01A0_IS_GETTING_OLD);
} else if (age == 0) {
ShowVehicleGettingOld(v, STR_01A1_IS_GETTING_VERY_OLD);
} else if (age == 366*1 || age == 366*2 || age == 366*3 || age == 366*4 || age == 366*5) {
ShowVehicleGettingOld(v, STR_01A2_IS_GETTING_VERY_OLD_AND);
}
}
void MaybeRenewVehicle(Vehicle *v, int32 build_cost)
{
Engine *e;
// A vehicle is autorenewed when it it gets the amount of months
// give by _patches.autorenew_months away for his max age.
// Standard is -6, meaning 6 months before his max age
// It can be any value between -12 and 12.
if (!_patches.autorenew || v->age - v->max_age < (_patches.autorenew_months * 30))
return;
if (DEREF_PLAYER(v->owner)->money64 < _patches.autorenew_money + build_cost - v->value) {
if (v->owner == _local_player) {
int message;
SET_DPARAM16(0, v->unitnumber);
switch (v->type) {
case VEH_Train: message = STR_TRAIN_AUTORENEW_FAILED; break;
case VEH_Road: message = STR_ROADVEHICLE_AUTORENEW_FAILED; break;
case VEH_Ship: message = STR_SHIP_AUTORENEW_FAILED; break;
case VEH_Aircraft: message = STR_AIRCRAFT_AUTORENEW_FAILED; break;
// This should never happen
default: message = 0; break;
}
AddNewsItem(message, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0), v->index, 0);
}
return;
}
// Withdraw the money from the right player ;)
_current_player = v->owner;
e = &_engines[v->engine_type];
v->reliability = e->reliability;
v->reliability_spd_dec = e->reliability_spd_dec;
v->age = 0;
v->date_of_last_service = _date;
v->build_year = _cur_year;
SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
SubtractMoneyFromPlayer(build_cost - v->value);
v->value = build_cost;
InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
_current_player = OWNER_NONE;
}
int32 CmdNameVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
Vehicle *v;
StringID str;
v = &_vehicles[p1];
if (!CheckOwnership(v->owner))
return CMD_ERROR;
str = AllocateName((byte*)_decode_parameters, 2);
if (str == 0)
return CMD_ERROR;
if (flags & DC_EXEC) {
StringID old_str = v->string_id;
v->string_id = str;
DeleteName(old_str);
_train_sort_dirty[v->owner] = true;
_aircraft_sort_dirty[v->owner] = true;
_ship_sort_dirty[v->owner] = true;
_road_sort_dirty[v->owner] = true;
MarkWholeScreenDirty();
} else {
DeleteName(str);
}
return 0;
}
static Rect _old_vehicle_coords;
void BeginVehicleMove(Vehicle *v) {
_old_vehicle_coords.left = v->left_coord;
_old_vehicle_coords.top = v->top_coord;
_old_vehicle_coords.right = v->right_coord;
_old_vehicle_coords.bottom = v->bottom_coord;
}
void EndVehicleMove(Vehicle *v)
{
MarkAllViewportsDirty(
min(_old_vehicle_coords.left,v->left_coord),
min(_old_vehicle_coords.top,v->top_coord),
max(_old_vehicle_coords.right,v->right_coord)+1,
max(_old_vehicle_coords.bottom,v->bottom_coord)+1
);
}
void InvalidateVehicleOrderWidget(Vehicle *v)
{
InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, 4);
InvalidateWindowWidget(WC_VEHICLE_ORDERS, v->index, 2);
}
/* returns true if staying in the same tile */
bool GetNewVehiclePos(Vehicle *v, GetNewVehiclePosResult *gp)
{
static const int8 _delta_coord[16] = {
-1,-1,-1, 0, 1, 1, 1, 0, /* x */
-1, 0, 1, 1, 1, 0,-1,-1, /* y */
};
int x = v->x_pos + _delta_coord[v->direction];
int y = v->y_pos + _delta_coord[v->direction + 8];
gp->x = x;
gp->y = y;
gp->old_tile = v->tile;
gp->new_tile = TILE_FROM_XY(x,y);
return gp->old_tile == gp->new_tile;
}
static const byte _new_direction_table[9] = {
0, 7, 6,
1, 3, 5,
2, 3, 4,
};
byte GetDirectionTowards(Vehicle *v, int x, int y)
{
byte dirdiff, dir;
int i = 0;
if (y >= v->y_pos) {
if (y != v->y_pos) i+=3;
i+=3;
}
if (x >= v->x_pos) {
if (x != v->x_pos) i++;
i++;
}
dir = v->direction;
dirdiff = _new_direction_table[i] - dir;
if (dirdiff == 0)
return dir;
return (dir+((dirdiff&7)<5?1:-1)) & 7;
}
/* Return value has bit 0x2 set, when the vehicle enters a station. Then,
* result << 8 contains the id of the station entered. If the return value has
* bit 0x8 set, the vehicle could not and did not enter the tile. Are there
* other bits that can be set? */
uint32 VehicleEnterTile(Vehicle *v, uint tile, int x, int y)
{
uint old_tile = v->tile;
uint32 result = _tile_type_procs[GET_TILETYPE(tile)]->vehicle_enter_tile_proc(v, tile, x, y);
/* When vehicle_enter_tile_proc returns 8, that apparently means that
* we cannot enter the tile at all. In that case, don't call
* leave_tile. */
if (!(result & 8) && old_tile != tile) {
VehicleLeaveTileProc *proc = _tile_type_procs[GET_TILETYPE(old_tile)]->vehicle_leave_tile_proc;
if (proc != NULL)
proc(v, old_tile, x, y);
}
return result;
}
uint GetFreeUnitNumber(byte type)
{
uint unit_num = 0;
Vehicle *u;
restart:
unit_num++;
FOR_ALL_VEHICLES(u) {
if (u->type == type && u->owner == _current_player &&
unit_num == u->unitnumber)
goto restart;
}
return unit_num;
}
// Save and load of vehicles
const byte _common_veh_desc[] = {
SLE_VAR(Vehicle,subtype, SLE_UINT8),
SLE_VAR(Vehicle,next_in_chain_old, SLE_UINT16),
SLE_VAR(Vehicle,string_id, SLE_STRINGID),
SLE_VAR(Vehicle,unitnumber, SLE_UINT8),
SLE_VAR(Vehicle,owner, SLE_UINT8),
SLE_VAR(Vehicle,tile, SLE_UINT16),
SLE_VAR(Vehicle,dest_tile, SLE_UINT16),
SLE_VAR(Vehicle,x_pos, SLE_INT16),
SLE_VAR(Vehicle,y_pos, SLE_INT16),
SLE_VAR(Vehicle,z_pos, SLE_UINT8),
SLE_VAR(Vehicle,direction, SLE_UINT8),
SLE_VAR(Vehicle,cur_image, SLE_UINT16),
SLE_VAR(Vehicle,spritenum, SLE_UINT8),
SLE_VAR(Vehicle,sprite_width, SLE_UINT8),
SLE_VAR(Vehicle,sprite_height, SLE_UINT8),
SLE_VAR(Vehicle,z_height, SLE_UINT8),
SLE_VAR(Vehicle,x_offs, SLE_INT8),
SLE_VAR(Vehicle,y_offs, SLE_INT8),
SLE_VAR(Vehicle,engine_type, SLE_UINT16),
SLE_VAR(Vehicle,max_speed, SLE_UINT16),
SLE_VAR(Vehicle,cur_speed, SLE_UINT16),
SLE_VAR(Vehicle,subspeed, SLE_UINT8),
SLE_VAR(Vehicle,acceleration, SLE_UINT8),
SLE_VAR(Vehicle,progress, SLE_UINT8),
SLE_VAR(Vehicle,vehstatus, SLE_UINT8),
SLE_VAR(Vehicle,last_station_visited,SLE_UINT8),
SLE_VAR(Vehicle,cargo_type, SLE_UINT8),
SLE_VAR(Vehicle,cargo_days, SLE_UINT8),
SLE_VAR(Vehicle,cargo_source, SLE_UINT8),
SLE_VAR(Vehicle,cargo_cap, SLE_UINT16),
SLE_VAR(Vehicle,cargo_count, SLE_UINT16),
SLE_VAR(Vehicle,day_counter, SLE_UINT8),
SLE_VAR(Vehicle,tick_counter, SLE_UINT8),
SLE_VAR(Vehicle,cur_order_index, SLE_UINT8),
SLE_VAR(Vehicle,num_orders, SLE_UINT8),
SLE_VAR(Vehicle,next_order, SLE_UINT8),
SLE_VAR(Vehicle,next_order_param, SLE_UINT8),
SLE_REF(Vehicle,schedule_ptr, REF_SCHEDULE),
SLE_VAR(Vehicle,age, SLE_UINT16),
SLE_VAR(Vehicle,max_age, SLE_UINT16),
SLE_VAR(Vehicle,date_of_last_service,SLE_UINT16),
SLE_VAR(Vehicle,service_interval, SLE_UINT16),
SLE_VAR(Vehicle,reliability, SLE_UINT16),
SLE_VAR(Vehicle,reliability_spd_dec,SLE_UINT16),
SLE_VAR(Vehicle,breakdown_ctr, SLE_UINT8),
SLE_VAR(Vehicle,breakdown_delay, SLE_UINT8),
SLE_VAR(Vehicle,breakdowns_since_last_service, SLE_UINT8),
SLE_VAR(Vehicle,breakdown_chance, SLE_UINT8),
SLE_VAR(Vehicle,build_year, SLE_UINT8),
SLE_VAR(Vehicle,load_unload_time_rem, SLE_UINT16),
SLE_VAR(Vehicle,profit_this_year, SLE_INT32),
SLE_VAR(Vehicle,profit_last_year, SLE_INT32),
SLE_VAR(Vehicle,value, SLE_UINT32),
// reserve extra space in savegame here. (currently 16 bytes)
SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
SLE_END()
};
static const byte _train_desc[] = {
SLE_WRITEBYTE(Vehicle,type,VEH_Train, 0), // Train type. VEH_Train in mem, 0 in file.
SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,crash_anim_pos), SLE_UINT16),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,force_proceed), SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,railtype), SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRail,track), SLE_UINT8),
SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRail,flags), SLE_UINT8, 2, 255),
SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleRail,days_since_order_progr), SLE_UINT16, 2, 255),
// reserve extra space in savegame here. (currently 13 bytes)
SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 13, 2, 255),
SLE_END()
};
static const byte _roadveh_desc[] = {
SLE_WRITEBYTE(Vehicle,type,VEH_Road, 1), // Road type. VEH_Road in mem, 1 in file.
SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,state), SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,frame), SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,unk2), SLE_UINT16),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,overtaking), SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,overtaking_ctr),SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,crashed_ctr), SLE_UINT16),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleRoad,reverse_ctr), SLE_UINT8),
// reserve extra space in savegame here. (currently 16 bytes)
SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
SLE_END()
};
static const byte _ship_desc[] = {
SLE_WRITEBYTE(Vehicle,type,VEH_Ship, 2), // Ship type. VEH_Ship in mem, 2 in file.
SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleShip,state), SLE_UINT8),
// reserve extra space in savegame here. (currently 16 bytes)
SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
SLE_END()
};
static const byte _aircraft_desc[] = {
SLE_WRITEBYTE(Vehicle,type,VEH_Aircraft, 3), // Aircraft type. VEH_Aircraft in mem, 3 in file.
SLE_INCLUDEX(0, INC_VEHICLE_COMMON),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleAir,crashed_counter), SLE_UINT16),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleAir,pos), SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleAir,targetairport), SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleAir,state), SLE_UINT8),
SLE_CONDVARX(offsetof(Vehicle,u)+offsetof(VehicleAir,previous_pos), SLE_UINT8, 2, 255),
// reserve extra space in savegame here. (currently 15 bytes)
SLE_CONDARR(NullStruct,null,SLE_FILE_U8 | SLE_VAR_NULL, 15, 2, 255),
SLE_END()
};
static const byte _special_desc[] = {
SLE_WRITEBYTE(Vehicle,type,VEH_Special, 4),
SLE_VAR(Vehicle,subtype, SLE_UINT8),
SLE_VAR(Vehicle,tile, SLE_UINT16),
SLE_VAR(Vehicle,x_pos, SLE_INT16),
SLE_VAR(Vehicle,y_pos, SLE_INT16),
SLE_VAR(Vehicle,z_pos, SLE_UINT8),
SLE_VAR(Vehicle,cur_image, SLE_UINT16),
SLE_VAR(Vehicle,sprite_width, SLE_UINT8),
SLE_VAR(Vehicle,sprite_height, SLE_UINT8),
SLE_VAR(Vehicle,z_height, SLE_UINT8),
SLE_VAR(Vehicle,x_offs, SLE_INT8),
SLE_VAR(Vehicle,y_offs, SLE_INT8),
SLE_VAR(Vehicle,progress, SLE_UINT8),
SLE_VAR(Vehicle,vehstatus, SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleSpecial,unk0), SLE_UINT16),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleSpecial,unk2), SLE_UINT8),
// reserve extra space in savegame here. (currently 16 bytes)
SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
SLE_END()
};
static const byte _disaster_desc[] = {
SLE_WRITEBYTE(Vehicle,type,VEH_Disaster, 5),
SLE_VAR(Vehicle,next_in_chain_old,SLE_UINT16),
SLE_VAR(Vehicle,subtype, SLE_UINT8),
SLE_VAR(Vehicle,tile, SLE_UINT16),
SLE_VAR(Vehicle,dest_tile, SLE_UINT16),
SLE_VAR(Vehicle,x_pos, SLE_INT16),
SLE_VAR(Vehicle,y_pos, SLE_INT16),
SLE_VAR(Vehicle,z_pos, SLE_UINT8),
SLE_VAR(Vehicle,direction, SLE_UINT8),
SLE_VAR(Vehicle,x_offs, SLE_INT8),
SLE_VAR(Vehicle,y_offs, SLE_INT8),
SLE_VAR(Vehicle,sprite_width, SLE_UINT8),
SLE_VAR(Vehicle,sprite_height, SLE_UINT8),
SLE_VAR(Vehicle,z_height, SLE_UINT8),
SLE_VAR(Vehicle,owner, SLE_UINT8),
SLE_VAR(Vehicle,vehstatus, SLE_UINT8),
SLE_VAR(Vehicle,next_order, SLE_UINT8),
SLE_VAR(Vehicle,cur_image, SLE_UINT16),
SLE_VAR(Vehicle,age, SLE_UINT16),
SLE_VAR(Vehicle,tick_counter, SLE_UINT8),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleDisaster,image_override), SLE_UINT16),
SLE_VARX(offsetof(Vehicle,u)+offsetof(VehicleDisaster,unk2), SLE_UINT16),
// reserve extra space in savegame here. (currently 16 bytes)
SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 2, 2, 255),
SLE_END()
};
static const void *_veh_descs[] = {
_train_desc,
_roadveh_desc,
_ship_desc,
_aircraft_desc,
_special_desc,
_disaster_desc,
};
// Will be called when the vehicles need to be saved.
static void Save_VEHS()
{
Vehicle *v;
// Write the vehicles
FOR_ALL_VEHICLES(v) {
if (v->type != 0) {
SlSetArrayIndex(v->index);
v->next_in_chain_old = v->next ? v->next->index : INVALID_VEHICLE;
SlObject(v, _veh_descs[v->type - 0x10]);
}
}
}
// Will be called when vehicles need to be loaded.
static void Load_VEHS()
{
int index;
Vehicle *v;
while ((index = SlIterateArray()) != -1) {
Vehicle *v = &_vehicles[index];
v->next_in_chain_old = INVALID_VEHICLE;
SlObject(v, _veh_descs[SlReadByte()]);
v->next = v->next_in_chain_old == INVALID_VEHICLE ? NULL : &_vehicles[v->next_in_chain_old];
if (v->type == VEH_Train)
v->u.rail.first_engine = 0xffff;
}
// Iterate through trains and set first_engine appropriately.
FOR_ALL_VEHICLES(v) {
Vehicle *w;
if (v->type != VEH_Train || v->subtype != 0)
continue;
for (w = v->next; w; w = w->next)
w->u.rail.first_engine = v->engine_type;
}
}
static const byte _depot_desc[] = {
SLE_VAR(Depot,xy, SLE_UINT16),
SLE_VAR(Depot,town_index, SLE_UINT16),
SLE_END()
};
static void Save_DEPT()
{
Depot *d;
int i;
for(i=0,d=_depots; i!=lengthof(_depots); i++,d++) {
if (d->xy != 0) {
SlSetArrayIndex(i);
SlObject(d, _depot_desc);
}
}
}
static void Load_DEPT()
{
int index;
while ((index = SlIterateArray()) != -1) {
SlObject(&_depots[index], _depot_desc);
}
}
static const byte _checkpoint_desc[] = {
SLE_VAR(Checkpoint,xy, SLE_UINT16),
SLE_VAR(Checkpoint,town_or_string, SLE_UINT16),
SLE_VAR(Checkpoint,deleted, SLE_UINT8),
SLE_CONDVAR(Checkpoint, build_date, SLE_UINT16, 3, 255),
SLE_CONDVAR(Checkpoint, stat_id, SLE_UINT8, 3, 255),
SLE_END()
};
static void Save_CHKP()
{
Checkpoint *cp;
int i;
for(i=0,cp=_checkpoints; i!=lengthof(_checkpoints); i++,cp++) {
if (cp->xy != 0) {
SlSetArrayIndex(i);
SlObject(cp, _checkpoint_desc);
}
}
}
static void Load_CHKP()
{
int index;
while ((index = SlIterateArray()) != -1) {
SlObject(&_checkpoints[index], _checkpoint_desc);
}
}
static void Save_ORDR()
{
uint len = _ptr_to_next_order - _order_array;
SlArray(_order_array, len, SLE_UINT16);
}
static void Load_ORDR()
{
uint len = SlGetFieldLength() >> 1;
_ptr_to_next_order = _order_array + len;
SlArray(_order_array, len, SLE_UINT16);
}
const ChunkHandler _veh_chunk_handlers[] = {
{ 'VEHS', Save_VEHS, Load_VEHS, CH_SPARSE_ARRAY},
{ 'ORDR', Save_ORDR, Load_ORDR, CH_RIFF},
{ 'DEPT', Save_DEPT, Load_DEPT, CH_ARRAY},
{ 'CHKP', Save_CHKP, Load_CHKP, CH_ARRAY | CH_LAST},
};
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